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ژوئن 27, 2022 توسط AdminDamon

City multi VRF MITSUBISHI

City multi VRF MITSUBISHI
ژوئن 27, 2022 توسط AdminDamon

City multi VRF MITSUBISHI
سیتی مولتی وی آر اف میتسوبیشی

 

 

 

 

 

City Multi VRF & Hybrid VRF Air Conditioning Systems

City Multi

City Multi is the market leader in VRF technology

Today’s buildings need to provide so much more than just a comfortable space for occupants.

Tough government regulations and stringent environmental targets on carbon emissions mean building owners are now demanding future-proof technologies that reduce running costs, improve indoor air quality and provide optimal energy efficiencies.

Our answer to these challenging demands is the City Multi VRF and Hybrid VRF air conditioning systems. First developed over 30 years ago, City Multi is now the market leader, with a comprehensive range of systems that continues to grow through smart innovation.

VRF technology MITSUBISHI ELECTRIC

City Multi delivers complete flexibility of design and installation. With intelligent, centralised control, these systems can be used in a wide variety of applications such as offices, hotels, hospitals, retail spaces and public buildings.

This brochure provides a comprehensive overview of the City Multi range, including features and benefits, legislation and market challenges.

Mitsubishi Electric VRF is the first name for comfort and efficiency

for comfort and efficiency Mitsubishi Electric was founded in 1921 and brings over 100 years of innovation and experience to the building services industry, as a global market leading environmental technologies manufacturer.

Mitsubishi Electric Living Environment Systems provide pioneering solutions that heat, cool, ventilate and control our buildings.

City Multi

The challenge to Reduce Carbon Emissions

In the UK, buildings account for over 40% of our carbon emissions, and nearly 90% of this is generated from heating and cooling systems.* The use of more energy efficient equipment means that operational costs are lowered for building owners, and the impact on the environment is reduced - helping us all adhere to corporate and social responsibility directives.

The reduction of carbon emissions

As part of the global roadmap to achieve net zero carbon, ambitious standards are being set for the energy performance of new and existing buildings. As a result, the UK needs to develop, adapt and embrace new cleaner technologies.

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Refrigerant & Installation standards

The growing pressure of the F-Gas phase down regulation sees the market demand viable and positive solutions. R32 is a highly efficient refrigerant that is easy to recycle and is now the norm for large-scale room and split air-conditioning systems offering a lower Global Warming Potential (GWP) than R410A.

We remain the only manufacturer able to offer a complete range of R32 solutions from large scale VRF and HVRF systems, to splits and single room units. Our R32 models offer customers a future-proof solution that is fully flexible in design, reduces operating costs and simplifies maintenance regimes. In addition to lowering the Global Warming Potential (GWP) of the air conditioning, the use of R32 means that less refrigerant is required and our ability to supply large, medium and small systems means that a single refrigerant can be used across an entire building or estate.

BS EN378 is an installation standard designed to improve safety in the unlikely event of refrigerant leaking from an air conditioning system. Current UK legislation places limits on the use of refrigerants in buildings, with BS EN378 in particular intended to minimise possible risks to persons, property and the environment from refrigerating systems and refrigerants.

Energy Efficiencies

The London Energy Transformation Initiative (LETI)

The LETI has set the ambitious target that by 2030, all new buildings should operate at annual net zero carbon emissions. In addition, the LETI Industrial Strategy has set out ‘Grand Challenges’ that will help to put the UK at the forefront of the industries of the future. This includes the government’s approach to bring businesses and organisations together to make a real positive impact on how we live our lives.

Part L

Part L of the UK Government Building Regulations addresses the conservation of fuel and power in a building. It outlines how building services such as air conditioning can help comply with carbon reduction targets. The Non Domestic Building Services Compliance Guide (NDBSCG) sits alongside Part L and outlines technical information and calculations to help building professionals comply with planning regulations. Both Part L and NDBSCG are advisory documents that give guidance and suggested methods of carbon reduction.

BREEAM

BREEAM is an international sustainability assessment method used in the planning of new projects; it recognises the value in higher performing assets across the built environment from new construction to refurbishments and in-use buildings. Certification is achieved with a third party assessment - by impartial experts - of a building or project by a qualified and licensed BREEAM Assessor to ensure that it meets the quality and performance required.

Mitsubishi Electric’s approach is to develop innovative, energy-efficient solutions for our customers, that will help the UK to meet the targets being set now and in the future.

City Multi Seasonal Efficiencies

The whole building industry is being targeted to create ‘greener’ more sustainable buildings and to equip them with air conditioning systems that provide the very best, long-term performance in terms of energy efficiency, ease of service and maintenance, as well as occupant wellbeing.

The Ecodesign for Energy-Related Products

The Ecodesign Directive for Energy Related Products (ErP) (Amendment) (EU Exit) Regulation 2020, is a European legislation designed to improve the energy efficiency of all products which “generate, transfer or measure energy” - whether through electricity, gas or other fossil fuel. Introduced in 2009, the ErP legislation covers a broad range of domestic and commercial products including everything from televisions and fridges to boilers, heat pumps and air conditioning systems.

The Ecodesign Directive deals with all aspects of product performance, from manufacture to transportation to market, use and disposal. When considering how to reduce the impact of a product, the EU legislation considers those stages of a product’s lifecycle that have the most impact on the environment.

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The Ecodesign Regulation

The Ecodesign Regulation reflects this by setting minimum efficiency requirements and a new method of measuring performance has been introduced. The British Standard BS EN14825 sets the seasonal performance calculation for an air conditioning system. The use of more energy efficient equipment means that operational costs are lowered and the impact on the environment is reduced.

EN14825 uses the number of hours that is spent at each degree Celsius in a cooling season. Indoor temperature conditions are 27°CDB/19°CWB.

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The 100% load condition is 35°C outdoor temperature. This is the same as nominal or rated conditions as indicated by the orange circle. We have a linear capacity profile and on average, below 15°C we no longer need cooling. The standard calls for equipment to be tested at 100%, 75%, 50% and 25% part load conditions.

These relate to 35, 30, 25 and 20ºC ambient temperature respectively. At these four conditions the capacity and power input are tested and are used to calculate a spot EER. Each individual 1° increment is then given a calculated EER. Example:

میتسوبیشی

The number of hours is multiplied by the spot capacity at each condition to give energy delivered at the particular ambient temperature. The EERs are used to calculate energy consumed. These figures are totalled to give an SEER when the unit is operating in cooling mode.

EN14825 - Heating

The “average” temperature/time profile is used for the UK heating season; we have many more hours between 2°C and 7°C. Indoor temperature condition is 20°CDB.

The COPs are used to calculate energy consumed. These figures are totalled to give an SCOP when the unit is operating in heating mode. Example:

نمانیده انحصاری میتسوبیشی در ایران

City Multi VRF HVRF Introduction

کلیماونتا

City Multi delivers the best possible performance, combined with total flexibility of design and operation.

City Multi VRF HVRF Introduction

The market-leading City Multi system offers complete flexibility in design, installation and operation with both heat recovery and heat pump models able to connect with up to 50 indoor units per outdoor unit.

City Multi R32 VRF and HVRF units are ideal for customers looking to future-proof their air conditioning in line with the next stage of the F-Gas Regulations and the phase down of high Global Warming Potential (GWP) refrigerants.

R32 is now the refrigerant of choice for the majority of air conditioning systems because it offers a lower GWP (675) than R410A (2088) whilst complying with the latest legislation. Using these systems enables customers to enhance their CSR (Corporate Social Responsibility) with equipment that minimises the effect on climate change.

R32 is a single component refrigerant, meaning it is easier to reuse and to recycle. It is also relatively inexpensive to produce, is easier to handle because it doesn’t separate and utilises familiar technology, keeping costs similar. R32 is also low-toxic, is difficult to ignite and does not explode.

تنها نمایندگی کلیماونت در ایران

City Multi VRF (Variable Refrigerant Flow)

VRF is a direct expansion type air conditioning system where one outdoor unit is connected with multiple indoor units, intelligently modulating the flow of refrigerant depending upon the capacity requirements of each zone within the building.

میتسوبیشی

It’s ultimate purpose is to regulate the internal room air temperature and comfort levels effectively and efficiently. Today’s commercial buildings are increasingly airtight and filled with heat-generating office equipment and lighting, which presents a challenge for anyone trying to maintain a stable and comfortable internal environment.

Constant development and innovation mean that City Multi VRF can be applied as both Heat Recovery and Heat Pump systems.

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City Multi Hybrid VRF (HVRF)

HVRF is a type air conditioning system whereby the outdoor unit is connected with a 2-pipe heat recovery VRF system, and water is used between the Hybrid Branch Controller (HBC) and indoor units - instead of refrigerant. You can install and design the system as HVRF in the same way as other VRF systems, whilst enjoying the comfort levels normally associated with a chiller system.

Hybrid VRF offers a complete modern solution for office buildings, hotels, medical centres, schools, high-rise buildings, shopping centres and other commercial premises. Hybrid VRF is quick, easy & flexible to design and install, using the same control and network as VRF systems. Phased installation is possible, reducing cost and increasing productivity on site.

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City Multi Hybrid VRF (HVRF)

HVRF is a type air conditioning system whereby the outdoor unit is connected with a 2-pipe heat recovery VRF system, and water is used between the Hybrid Branch Controller (HBC) and indoor units - instead of refrigerant. You can install and design the system as HVRF in the same way as other VRF systems, whilst enjoying the comfort levels normally associated with a chiller system.

Hybrid VRF offers a complete modern solution for office buildings, hotels, medical centres, schools, high-rise buildings, shopping centres and other commercial premises. Hybrid VRF is quick, easy & flexible to design and install, using the same control and network as VRF systems. Phased installation is possible, reducing cost and increasing productivity on site.

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City Multi Hybrid Branch Controllers

At the heart of both Air Source and Water Source system layout, the HBC Controller makes simultaneous heating and cooling possible, with improved system efficiency as energy is transferred intelligently around the building.

The Horizontal and Vertical HBC Controllers are available as a 6, 8 or 16 port model. Valves, pumps, and the heat exchanger are all contained within the Main-HBC allowing for phased, manageable installation - ideal for Cat A to Cat B applications. An overall system can be expanded using additional horizontal Sub-HBC’s allowing up to 50 indoor units to be supplied by one outdoor condenser.

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City Multi Range Overview

Mitsubishi Electric offers the most extensive range of VRF and HVRF systems with a wide choice of indoor units available on the market.

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City Multi VRF Features & Benefits

Wide range of connectable indoor units

Available for heat recovery and heat pump systems, our extensive range of indoor units comprises of over 80 indoor options ranging from 1kW to 25kW.

VRF systems can incorporate multiple indoor units, which can be located throughout a building. With advanced control logic, each system can provide optimum levels of comfort for any space. Our highly efficient indoor units can meet the cooling and heating needs of each area in a building, whilst also recovering heat and maximising the overall efficiency of the system.

The option to pump down and isolate the refrigerant within a VRF installation, and its ability to work alongside any leak detection system including standalone and aspirated, provides full safety and environmental protection from refrigerant leakage.

Options include: Ducted / Ceiling Cassette / Floor Standing / Wall Mounted / Ceiling Suspended / Air Curtains

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City Multi YNW

The market-leading City Multi range is continually being updated to meet the ever-changing demands from the building services industry. We were the first to market with our innovative, patented HVRF technology, followed by the introduction of micro-channel heat exchangers that improve efficiency and reduce refrigerant volume.

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We now also offer customers a future-proof solution that is fully flexible in design and reduces operating costs. R32 is a single component refrigerant, meaning it is easier to reuse and to recycle. With R32 less refrigerant is required and our ability to supply large, medium and small systems means that a single refrigerant can be used across an entire building or estate.

City Multi YNW has been designed to address some of the most fundamental challenges facing building designers today:

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City Multi Mini VRF Features & Benefits

Utilising all the benefits of VRF technology, the City Multi Mini VRF PUMY models (10 to 33.5kW) have been designed with a focus on seasonal efficiency, making them ideal for discreet application environments.

City Multi PUMY units are designed to tackle the challenges of our modern urban environment, offering low noise levels and a range that enables outdoor units to be discretely installed out of the line of sight.

Depending on your application, there are two solutions available:

Single fan

Small footprint and height make this ideal for discreet location Standard 30Pa static fan allows outdoor units to be housed without affecting performance Cost effective and low refrigerant charge

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Twin fan

High efficiency with longer pipe runs up to 300m total Optional 30Pa static fan (large units via dip switch) Low noise with best heating capacity available 33.5kW from low impact chassis

 City Multi

City Multi Mini VRF units provide additional design flexibility when used as a Multi-Split system, connecting to City Multi, Mr Slim or our stylish M Series indoor units.

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City Multi VRF Water Cooled Features & Benefits

City Multi

The City Multi WR2 Series VRF system is ideal where a water loop is available and outdoor space is limited.

Efficiency can be optimised by networking the energy through a water loop both within and between buildings

System can utilise waste heat from commercial sources such as server cooling, or renewable heat from landlord loops, rivers, lakes or geothermal sources

Flexible VRF design, with the additional benefits of quiet operation and minimising the need for outdoor plant space

Offers additional heat recovery between the condensers, through the water loop

System provides continuous heating in winter, without the need for defrost operation

Advanced control options to increase or reduce water flow rate depending on unit’s operating condition

City Multi

A sustainable and highly energy-efficient solution for tall buildings

Mitsubishi Electric now offers double heat recovery operation. The first heat recovery is within the refrigerant system. Heat is recovered between the indoor units to allow simultaneous cooling and heating operation.

The second heat recovery is within the water loop, where heat is recovered between the PQRY units. This double heat recovery operation substantially improves energy efficiency and delivers an ideal solution to the requirements of modern office buildings, where some areas require cooling even in winter.

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City Multi HVRF Features & Benefits

This unique and innovative solution is based on a 2-pipe Heat Recovery VRF System but uses water as a heat exchange medium between the Hybrid Branch Controller (HBC) and the indoor units. As such, the system combines the comfort of a traditional hydronic system with the efficiency and ease of modern VRF air conditioning.

Using these systems enables customers to enhance their CSR (Corporate Social Responsibility) with equipment that minimises the effect on climate change. Energy efficient heat recovery operation is used to provide simultaneous heating and cooling. Efficiency is further optimised by utilising the centralised control and schedule function.

Wide range of connectable indoor units

The system can be expanded by using a combination of Sub-HBC boxes, allowing up to 50 indoor units, from ducted, ceiling cassette, floor mounted or wall mounted types to be supplied by one outdoor condenser.

Flexible application options

Air Source YNW (22-56kW) - Using the latest City Multi VRF YNW technology, including an aluminium heat exchanger, reduced weight and improved seasonal efficiency.

Water Source YLM (22-56kW) - Ideal where outdoor space is limited, building heat recovery and efficiency is demanded and a water loop is is available.

High sensible cooling and stable room temperatures

Typically 10% increase in sensible cooling vs standard VRF Provides a gradual rate of change of temperature within the air conditioned space, delivering a comfortable and stable environment.

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HVRF provides the ideal solution for customers looking to future-proof their air conditioning in line with the next stage of the F-Gas Regulations and the phase down of high Global Warming Potential (GWP) refrigerants.

By combining R32 with the merits of a Hybrid system, more than an 80% reduction in CO2 equivalent can be achieved as it uses up to 40% less refrigerant, when compared to an R410A VRF system.

A comfortable and stable air temperature control is provided with no refrigerant in occupied spaces, meaning simple compliance with BS EN378 and removing the need for leak detection.

This makes City Multi HVRF ideal for:

This makes City Multi HVRF ideal for:

Hybrid Branch Controllers use R32, the lowest GWP refrigerant in the VRF market:

R32 refrigerant has a GWP that is 66 % lower than the traditional R410A refrigerantbr

City Multi City Multi

مقاله قبلیمحصول 2مقاله بعدی City Multi R32 VRF Heat Recovery & Heat Pump Systemsدامون سرویس نماینده انحصاری میتسوبیشی و کلیماونتا در ایران

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